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The Location Drawing

We have covered the structure of a set of working drawings, the hierarchic progression of location, assembly, component, sub-component drawings, and schedules. We look now at how the drawings themselves are to be prepared, in a form that will be economical of drawing time and will enable multiple copies to be taken for the use of the contractor, sub-contractors, quantity surveyor and others. There are two primary methods for producing the drawn originals 1. Manually, using pen or pencil...

2.1 Example of what can happen if site elements are not fully related. The manhole cover relates to neither the paving slabs nor the brick pavings The types of drawings which make up the complete set having now been identified, the next two chapters look at them in sequence to see the sort of information that each should contain. The drawings falling into this category will normally include reflected ceiling plan at all levels general sections and or sectional elevations The functions of the...

It is no use preparing your drawings on a well structured and carefully thought out basis if you are the only one who knows about it. Until such time as a standard drawing method becomes universally employed and recognised throughout the building industry and despite the increasing emphasis being laid on the Co-ordinated Project Information documents previously referred to we are still a long way from that it is incumbent on the producing office to give clear directions as to how its drawings...

3.25 Demolition drawing covering formation of new opening in an existing wall 3.26 Drawing covering installation of new door and frame in the opening formed in 3.25 3.26 Drawing covering installation of new door and frame in the opening formed in 3.25 Note that it would be wrong for the drawing showing new works to make reference to the opening having been formed under the same contract. To do so would be to invite the possibility of the estimator unintentionally including the item twice....

3.11 Assembly detail from PSA Standard Library. Its simplicity contrasts sharply with the complexity of the detail illustrated in 3.12. What they have in common is that each conveys clearly and precisely the information needed by the operative carrying out the assembly an appropriate scale for the benefit of the assembler. Figure 3.11, taken from the UK Department of the Environment's PSA Library of Standard details, is an assembly drawing. Figure 3.12, part of Foster Associates' highly...

Component sub-component and assembly drawings A component may be defined as any item used in a building which emanates from a single source of supply and which arrives on site as a complete and self-contained unit, whose incorporation into the building requires only its fixing to another component or components. Thus, a window is clearly a component, as is a manhole cover, a door, a section of pre-cast concrete coping, a mirror. So, for that matter, is a brick. A brick wall would be an...

4.21 Examples of different types of hand lettering CLEAR LETTERING CAN BE PRODUCED AS EASILY AND AS SWIFTLY AS SCRATCHY LETTERS, BY USING THE CORRECT TECHNIQUES Horizontal guidelines are essential unless the draughtsman is very experienced and skilful. They may be drawn lightly in pencil for subsequent erasure when the lettering is in ink or may take the form of a closely gridded sheet laid underneath the tracing paper. The use of a blue pencil for guidelines ensures that they do not appear on...